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std/env ​

Environment variable access.

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from "std/env" import { getEnv, getEnvOr }

Functions ​

getEnv ​

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fn getEnv(name: string): Option<string>

Look up an environment variable. Returns None if unset.

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match getEnv("HOME") {
    Some(home) => writeStdout(&home),
    None => writeStdout("HOME not set"),
}

getEnvOr ​

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fn getEnvOr(name: string, fallback: string): string

Look up an environment variable with a default.

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let port = getEnvOr("PORT", "8080")