19 lines
527 B
Rust
19 lines
527 B
Rust
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/*!
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* Runner trace utilities — centralized verbose logging
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*/
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/// Returns true when runner-level verbose tracing is enabled.
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/// Controlled by `NYASH_CLI_VERBOSE=1` or `NYASH_RESOLVE_TRACE=1`.
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pub fn enabled() -> bool {
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std::env::var("NYASH_CLI_VERBOSE").ok().as_deref() == Some("1")
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|| std::env::var("NYASH_RESOLVE_TRACE").ok().as_deref() == Some("1")
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}
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/// Emit a single-line trace message when enabled.
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pub fn log<S: AsRef<str>>(msg: S) {
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if enabled() {
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eprintln!("{}", msg.as_ref());
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}
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}
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