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    Interface ScopedJulia

    Type for the scoped Julia proxy object.

    interface ScopedJulia {
        Any: JuliaDataType;
        Array: ScopedJuliaArray;
        Base: JuliaModule;
        Bool: JuliaDataType;
        Char: JuliaDataType;
        Core: JuliaModule;
        Dict: ScopedJuliaDict;
        Float16: JuliaDataType;
        Float32: JuliaDataType;
        Float64: JuliaDataType;
        Function: JuliaDataType;
        Int16: JuliaDataType;
        Int32: JuliaDataType;
        Int64: JuliaDataType;
        Int8: JuliaDataType;
        Main: JuliaModule;
        NamedTuple: ScopedJuliaNamedTuple;
        Nothing: JuliaDataType;
        nthreads: number;
        Pkg: JuliaModule;
        Set: ScopedJuliaSet;
        String: JuliaDataType;
        Symbol: JuliaDataType;
        Tuple: ScopedJuliaTuple;
        UInt16: JuliaDataType;
        UInt32: JuliaDataType;
        UInt64: JuliaDataType;
        UInt8: JuliaDataType;
        version: string;
        autoWrap(value: unknown): JuliaValue;
        call(fn: JuliaFunction, ...args: unknown[]): JuliaValue;
        callWithKwargs(
            fn: JuliaFunction,
            kwargs: JuliaNamedTuple | Record<string, unknown>,
            ...args: unknown[],
        ): JuliaValue;
        escape<T extends JuliaValue>(value: T): T;
        eval(code: string): JuliaValue;
        getTypeStr(ptr: JuliaValue | Pointer): string;
        import(name: string): JuliaModule;
        tagEval(strings: TemplateStringsArray, ...values: unknown[]): JuliaValue;
        track<T extends JuliaValue>(value: T): T;
        typeof(value: JuliaValue): JuliaDataType;
        untracked<T>(fn: () => T): T;
        wrapPtr(ptr: Pointer): JuliaValue;
    }
    Index

    Properties

    Any Array Base Bool Char Core Dict Float16 Float32 Float64 Function Int16 Int32 Int64 Int8 Main NamedTuple Nothing nthreads Pkg Set String Symbol Tuple UInt16 UInt32 UInt64 UInt8 version

    Methods

    autoWrap call callWithKwargs escape eval getTypeStr import tagEval track typeof untracked wrapPtr

    Properties

    Any: JuliaDataType
    Array: ScopedJuliaArray

    Proxy for creating auto-tracked JuliaArrays

    Base: JuliaModule
    Bool: JuliaDataType
    Char: JuliaDataType
    Core: JuliaModule
    Dict: ScopedJuliaDict

    Proxy for creating auto-tracked JuliaDicts

    Float16: JuliaDataType
    Float32: JuliaDataType
    Float64: JuliaDataType
    Function: JuliaDataType
    Int16: JuliaDataType
    Int32: JuliaDataType
    Int64: JuliaDataType
    Int8: JuliaDataType
    Main: JuliaModule
    NamedTuple: ScopedJuliaNamedTuple

    Proxy for creating auto-tracked JuliaNamedTuples

    Nothing: JuliaDataType
    nthreads: number
    Pkg: JuliaModule
    Set: ScopedJuliaSet

    Proxy for creating auto-tracked JuliaSets

    String: JuliaDataType
    Symbol: JuliaDataType
    Tuple: ScopedJuliaTuple

    Proxy for creating auto-tracked JuliaTuples

    UInt16: JuliaDataType
    UInt32: JuliaDataType
    UInt64: JuliaDataType
    UInt8: JuliaDataType
    version: string

    Methods

    • Execute a function without auto-tracking returned values.

      Use this when creating many temporary objects that don't need to survive beyond their immediate use. This improves performance by skipping the tracking overhead.

      Warning: Objects created inside untracked() may be garbage collected by Julia if no JS reference exists. Only use for temporary operations.

      Type Parameters

      • T

      Parameters

      • fn: () => T

      Returns T

      Julia.scope((julia) => {
        const arr = julia.Array.from(new Float64Array([1, 2, 3, 4, 5]));
        const range = julia.track(Julia.Base.UnitRange(2, 4));

        // Create many temporary SubArrays without tracking overhead
        let sum = 0;
        julia.untracked(() => {
          for (let i = 0; i < 10000; i++) {
            const sub = julia.Base.view(arr, range);
            sum += Julia.Base.sum(sub).value as number;
          }
        });
        return sum;
      });

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