Class Instance

Represents an instantiated WebAssembly module.

Inheritance

System.Object

Instance

Namespace: Wasmtime

Assembly: Wasmtime.Dotnet.dll

Syntax

public class Instance : object

Constructors

Instance(Store, Module, Object[])

Creates a new WebAssembly instance.

Declaration

public Instance(Store store, Module module, params object[] imports)

Parameters

Type	Name	Description
Store	store	The store to create the instance in.
Module	module	The module to create the instance for.
System.Object[]	imports	The imports for the instance.

Methods

GetAction(String)

Gets an exported function from the instance.

Declaration

public Action? GetAction(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Action>	Returns the function if a function of that name and type was exported or null if not.

GetAction<TA>(String)

Gets an exported function from the instance.

Declaration

public Action<TA>? GetAction<TA>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Action<TA>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	Parameter type

GetAction<TA, TB>(String)

Gets an exported function from the instance.

Declaration

public Action<TA, TB>? GetAction<TA, TB>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Action<TA, TB>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type

GetAction<TA, TB, TC>(String)

Gets an exported function from the instance.

Declaration

public Action<TA, TB, TC>? GetAction<TA, TB, TC>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Action<TA, TB, TC>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type

GetAction<TA, TB, TC, TD>(String)

Gets an exported function from the instance.

Declaration

public Action<TA, TB, TC, TD>? GetAction<TA, TB, TC, TD>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Action<TA, TB, TC, TD>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type

GetAction<TA, TB, TC, TD, TE>(String)

Gets an exported function from the instance.

Declaration

public Action<TA, TB, TC, TD, TE>? GetAction<TA, TB, TC, TD, TE>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Action<TA, TB, TC, TD, TE>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type

GetFunction(String)

Gets an exported function from the instance.

Declaration

public Function GetFunction(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
Function	Returns the function if a function of that name was exported or null if not.

GetFunction(String, Nullable<Type>, Type[])

Gets an exported function from the instance and check the type signature.

Declaration

public Function GetFunction(string name, Type? returnType, params Type[] parameterTypes)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.
System.Nullable<Type>	returnType	The return type of the function. Null if no return type. Tuple of types is multiple returns expected.
Type[]	parameterTypes	The expected parameters to the function

Returns

Type	Description
Function	Returns the function if a function of that name and type signature was exported or null if not.

GetFunction<TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TR>? GetFunction<TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TJ	Tenth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TJ	Tenth parameter type
TK	Eleventh parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TJ	Tenth parameter type
TK	Eleventh parameter type
TL	Twelfth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TJ	Tenth parameter type
TK	Eleventh parameter type
TL	Twelfth parameter type
TM	Thirteenth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TJ	Tenth parameter type
TK	Eleventh parameter type
TL	Twelfth parameter type
TM	Thirteenth parameter type
TN	Fourteenth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TJ	Tenth parameter type
TK	Eleventh parameter type
TL	Twelfth parameter type
TM	Thirteenth parameter type
TN	Fourteenth parameter type
TO	Fifteenth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TP, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TP, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TP, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TI, TJ, TK, TL, TM, TN, TO, TP, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TI	Ninth parameter type
TJ	Tenth parameter type
TK	Eleventh parameter type
TL	Twelfth parameter type
TM	Thirteenth parameter type
TN	Fourteenth parameter type
TO	Fifteenth parameter type
TP	Sixteenth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TR>? GetFunction<TA, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TR>? GetFunction<TA, TB, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TR>? GetFunction<TA, TB, TC, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TR>? GetFunction<TA, TB, TC, TD, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TR>? GetFunction<TA, TB, TC, TD, TE, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TR	Return type. Use a tuple for multiple return values

GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TR>(String)

Gets an exported function from the instance.

Declaration

public Func<TA, TB, TC, TD, TE, TF, TG, TH, TR>? GetFunction<TA, TB, TC, TD, TE, TF, TG, TH, TR>(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported function.

Returns

Type	Description
System.Nullable<Func<TA, TB, TC, TD, TE, TF, TG, TH, TR>>	Returns the function if a function of that name and type was exported or null if not.

Type Parameters

Name	Description
TA	First parameter type
TB	Second parameter type
TC	Third parameter type
TD	Fourth parameter type
TE	Fifth parameter type
TF	Sixth parameter type
TG	Seventh parameter type
TH	Eighth parameter type
TR	Return type. Use a tuple for multiple return values

GetGlobal(String)

Gets an exported global from the instance.

Declaration

public Global GetGlobal(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported global.

Returns

Type	Description
Global	Returns the global if a global of that name was exported or null if not.

GetMemory(String)

Gets an exported memory from the instance.

Declaration

public Memory GetMemory(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported memory.

Returns

Type	Description
Memory	Returns the memory if a memory of that name was exported or null if not.

GetTable(String)

Gets an exported table from the instance.

Declaration

public Table GetTable(string name)

Parameters

Type	Name	Description
System.String	name	The name of the exported table.

Returns

Type	Description
Table	Returns the table if a table of that name was exported or null if not.