[−][src]Function wast::parse_str
pub fn parse_str(wat: impl AsRef<str>) -> Result<Vec<u8>>
Parses an in-memory string as the WebAssembly Text format, returning the file as a binary WebAssembly file.
This function is intended to be a stable convenience function for parsing a
wat file into a WebAssembly binary file. This is a high-level operation
which does not expose any parsing internals, for that you'll want to use the
wast-parser
crate.
Errors
This function can fail for a number of reasons, including (but not limited to):
- The
wat
input may fail to lex, such as having invalid tokens or syntax - The
wat
input may fail to parse, such as having incorrect syntactical structure - The
wat
input may contain names that could not be resolved
Examples
assert_eq!(wast::parse_str("(module)")?, b"\0asm\x01\0\0\0"); assert!(wast::parse_str("module").is_err()); let wat = r#" (module (func $foo) (func (export "bar") call $foo ) ) "#; let binary = wast::parse_str(wat)?; // ...