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JsNumberOrStringLike

Trait JsNumberOrStringLike 

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pub trait JsNumberOrStringLike:
    IntoWasmAbi
    + Sealed
    + JsBigIntOrNumberOrStringLike
    + JsBooleanOrNumberOrStringLike
    + PropertyKey { }
Expand description

Marker for Rust parameter types represented by the TypeScript union number | string.

Use this trait as a bound on an experimental_generic_mono JavaScript import. Each monomorphisation retains its concrete ABI representation; this marker only restricts which Rust types may instantiate the parameter.

The union’s primitive categories use these Rust representations:

  • number: i8, u8, i16, u16, i32, u32, isize, usize, f32, f64, Number, and &Number
  • string: String, &str, &String, &Box<str>, &Cow<str>, JsString, and &JsString (the JsStringLike types)

This trait is experimental and may change or be removed as experimental_generic_mono evolves.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types§

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impl JsNumberOrStringLike for &Box<str>

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impl JsNumberOrStringLike for &Cow<'_, str>

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impl JsNumberOrStringLike for &String

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impl JsNumberOrStringLike for &str

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impl JsNumberOrStringLike for String

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impl JsNumberOrStringLike for f32

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impl JsNumberOrStringLike for f64

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impl JsNumberOrStringLike for i8

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impl JsNumberOrStringLike for i16

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impl JsNumberOrStringLike for i32

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impl JsNumberOrStringLike for isize

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impl JsNumberOrStringLike for u8

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impl JsNumberOrStringLike for u16

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impl JsNumberOrStringLike for u32

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impl JsNumberOrStringLike for usize

Implementors§