const: Wasm text instruction
The const instructions are used to declare numbers.
Try it
(module (import "console" "log" (func $log (param i32))) (func $main i32.const 10 ;; load a number onto the stack call $log ;; log the number ) (start $main) ) const url = "{%wasm-url%}"; await WebAssembly.instantiateStreaming(fetch(url), { console }); Syntax
wat
;; push `5` onto the stack i32.const 5 | Instruction | Binary opcode |
|---|---|
i32.const | 0x41 |
i64.const | 0x42 |
f32.const | 0x43 |
f64.const | 0x44 |