Struct EnvironmentBuilder 

pub struct EnvironmentBuilder { /* private fields */ }

A builder for incrementally constructing an Environment.

Implementations

impl EnvironmentBuilder

pub fn new() -> Self

Create a new empty builder.

pub fn add_decl(self, decl: Declaration) -> Self

Queue a legacy declaration for addition.

pub fn add_constant(self, ci: ConstantInfo) -> Self

Queue a ConstantInfo for addition.

pub fn build(self) -> Result<Environment, EnvError>

Build the environment.

pub fn len(&self) -> usize

Return the number of queued items.

pub fn is_empty(&self) -> bool

Check if the builder has nothing queued.

Trait Implementations

impl Default for EnvironmentBuilder

fn default() -> Self

Returns the “default value” for a type.