Enum UseDeclaration 

pub enum UseDeclaration {
    Use(Visibility, QualifiedName),
    UseAll(Visibility, QualifiedName),
    UseAlias(Visibility, QualifiedName, Identifier),
}

Use declaration.

A use declaration is an element of a use statement. It can be a single symbol, all symbols from a module, or an alias.

use std::print;
use std::*;
use std::print as p;

Variants

Use(Visibility, QualifiedName)

Import symbols given as qualified names: use a, b

UseAll(Visibility, QualifiedName)

Import all symbols from a module: use std::*

UseAlias(Visibility, QualifiedName, Identifier)

Import as alias: use a as b

Trait Implementations

impl Clone for UseDeclaration

fn clone(&self) -> UseDeclaration

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UseDeclaration

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

Formats the value using the given formatter.

impl Display for UseDeclaration

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

Formats the value using the given formatter.

impl Eval<()> for UseDeclaration

fn eval(&self, context: &mut Context) -> EvalResult<()>

Evaluate a syntax element into a type T.

impl<'_derivative_strum> From<&'_derivative_strum UseDeclaration> for &'static str

fn from(x: &'_derivative_strum UseDeclaration) -> &'static str

Converts to this type from the input type.

impl From<UseDeclaration> for &'static str

fn from(x: UseDeclaration) -> &'static str

Converts to this type from the input type.

impl Parse for UseDeclaration

fn parse(pair: Pair<'_>) -> ParseResult<Self>

impl SrcReferrer for UseDeclaration

fn src_ref(&self) -> SrcRef

Return source code reference.

fn source_hash(&self) -> u64

Return source code hash.

impl TreeDisplay for UseDeclaration

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

Write item into f and use {:depth$} syntax in front of your single line output to get proper indention.

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

Display as tree starting at depth 0.

fn write_tree(&self, f: &mut impl Write) -> Result<()>

Display as tree starting at depth 0.