Enum syntax_pos::ExternalSource
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pub enum ExternalSource { Present(String), AbsentOk, AbsentErr, Unneeded, }
The state of the lazy external source loading mechanism of a FileMap.
Variants
Present(String)
The external source has been loaded already.
AbsentOk
No attempt has been made to load the external source.
AbsentErr
A failed attempt has been made to load the external source.
Unneeded
No external source has to be loaded, since the FileMap represents a local crate.
Methods
impl ExternalSource
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Trait Implementations
impl PartialEq for ExternalSource
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fn eq(&self, __arg_0: &ExternalSource) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &ExternalSource) -> bool
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This method tests for !=
.
impl Eq for ExternalSource
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impl Clone for ExternalSource
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fn clone(&self) -> ExternalSource
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more