Struct BuildEnvironment 

pub struct BuildEnvironment { /* private fields */ }

Environment variables available to build scripts.

Implementations

impl BuildEnvironment

pub fn new() -> Self

Create an empty build environment.

pub fn set(&mut self, key: &str, value: &str)

Set a variable.

pub fn get(&self, key: &str) -> Option<&str>

Get a variable.

pub fn len(&self) -> usize

Number of variables.

pub fn is_empty(&self) -> bool

Whether the environment is empty.

Trait Implementations

impl Clone for BuildEnvironment

fn clone(&self) -> BuildEnvironment

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BuildEnvironment

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for BuildEnvironment

fn default() -> BuildEnvironment

Returns the “default value” for a type.

impl Display for BuildEnvironment

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.