WebAssembly Text Format is an actively used programming language created in 2015. WebAssembly has an S-expression-based textual representation, an intermediate form designed to be exposed in text editors, browser developer tools, etc.

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  • WebAssembly Text Format first appeared in 2015
  • file extensions for WebAssembly Text Format include wast
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Example code from the web:

 (module
  (import "math" "exp" (func $exp (param f64) (result f64)))
  (func (export "doubleExp") (param $0 f64) (result f64)
    (f64.mul
      (call $exp
        (get_local $0))
      (f64.const 2))))

Last updated February 18th, 2020

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