Struct cargo::core::compiler::custom_build::BuildScriptOutputs

pub struct BuildScriptOutputs {
    outputs: HashMap<Metadata, BuildOutput>,
}

Map of packages to build script output.

This initially starts out as empty. Overridden build scripts get inserted during build_map. The rest of the entries are added immediately after each build script runs.

The Metadata is the unique metadata hash for the RunCustomBuild Unit of the package. It needs a unique key, since the build script can be run multiple times with different profiles or features. We can’t embed a Unit because this structure needs to be shareable between threads.

Fields

outputs: HashMap<Metadata, BuildOutput>

Implementations

impl BuildScriptOutputs

fn insert( &mut self, pkg_id: PackageId, metadata: Metadata, parsed_output: BuildOutput, )

Inserts a new entry into the map.

fn contains_key(&self, metadata: Metadata) -> bool

Returns true if the given key already exists.

pub fn get(&self, meta: Metadata) -> Option<&BuildOutput>

Gets the build output for the given key.

pub fn iter(&self) -> impl Iterator<Item = (&Metadata, &BuildOutput)>

Returns an iterator over all entries.

Trait Implementations

impl Default for BuildScriptOutputs

fn default() -> BuildScriptOutputs

Returns the “default value” for a type.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes