Formats the value using the given formatter.
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Formats the value using the given formatter.
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The lower-level source of this error, if any.
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👎Deprecated since 1.42.0: use the Display impl or to_string()
👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports.
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Converts to this type from the input type.
Converts to this type from the input type.
Converts to this type from the input type.
Creates a new error from an input position, an
ErrorKind indicating the
wrapping parser, and an external error
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Creates an error from the input position and an
ErrorKind
Combines an existing error with a new one created from the input
position and an
ErrorKind. This is useful when backtracking
through a parse tree, accumulating error context on the way
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Creates an error from an input position and an expected character
Combines two existing errors. This function is used to compare errors
generated in various branches of
alt.
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This method tests for
self and
other values to be equal, and is used
by
==.
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This method tests for
!=. The default implementation is almost always
sufficient, and should not be overridden without very good reason.
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Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Calls U::from(self).
That is, this conversion is whatever the implementation of
From<T> for U chooses to do.
🔬This is a nightly-only experimental API. (provide_any)
Data providers should implement this method to provide
all values they are able to
provide by using
demand.
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Converts the given value to a
String.
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The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.