A macro for interning JavaScript primitives.

Stores one copy of each distinct JavaScript primitive. For example, js_intern!("string") evaluates to a &JsValue but only does the translation from the utf-8 Rust string to the utf-16 JavaScript string the first time the expression is evaluated. Furthermore, strings are de-duplicated across the program. So, any time js_intern!("string") is used in the program, the same instance of the JavaScript string is used.

Supported types

&'static str Eg: js_intern!("str")
f64, f32 u8, u16, u32, i8, i16, i32 Eg: js_intern(1.0)
bool Eg: js_intern(true)

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Supported types

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