pub struct Params { /* private fields */ }
Returns the number of parameters.
Returns true if there are no parameters present.
Returns an iterator over all parameters and subparameters.
Formats the value using the given formatter.
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Returns the “default value” for a type.
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Which kind of iterator are we turning this into?
The type of the elements being iterated over.
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.
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.