Struct BuildScriptMakeWriter

pub struct BuildScriptMakeWriter;

MakeWriter implementation for BuildScriptWriter

Behaviour

Events for Levels Error and Warn are printed to stdout with cargo::warning= prepended. All other levels are sent to stderr, where they are only visible when running with verbose build output (cargo build -vv).

Note: this writer explicitly does not use the cargo::error= instruction because it aborts the build with an error, which is not always desired.

Example

tracing_subscriber::fmt()
    .with_writer(tracing_build_script::BuildScriptMakeWriter)
    .init();

Trait Implementations

impl<'a> MakeWriter<'a> for BuildScriptMakeWriter

type Writer = BuildScriptWriter

The concrete io::Write implementation returned by make_writer.

fn make_writer(&'a self) -> Self::Writer

Returns an instance of Writer.

fn make_writer_for(&'a self, meta: &Metadata<'_>) -> Self::Writer

Returns a Writer for writing data from the span or event described by the provided Metadata.