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std/args ​

Raw CLI argument access.

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from "std/args" import { args, getFlag, hasFlag }

Functions ​

args ​

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fn args(): Vec<string>

Returns all command-line arguments (including the program name at index 0).

getFlag ​

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fn getFlag(name: &string): Option<string>

Returns the value of a --name value or --name=value flag, or None if not present.

hasFlag ​

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fn hasFlag(name: &string): bool

Returns true if --name appears in the arguments.

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let verbose = hasFlag(&"verbose")
let output = getFlag(&"output")
match output {
    Some(path) => print(fmt1(&"Writing to {}", &path)),
    None => print("Writing to stdout"),
}