pub enum DoGuard {
Infinite,
PreUntil(Expr),
PreWhile(Expr),
PostUntil(Expr),
PostWhile(Expr),
}
Expand description
Represents an infinite loop without guards.
Represents a loop with an UNTIL guard in the DO clause.
Represents a loop with a WHILE guard in the DO clause.
Represents a loop with an UNTIL guard in the LOOP clause.
Represents a loop with a WHILE guard in the LOOP clause.
Formats the value using the given formatter.
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This method tests for self and other values to be equal, and is used
by ==.
This method tests for !=. The default implementation is almost always
sufficient, and should not be overridden without very good reason.
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.