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\DOC parses_as_binder
\TYPE {parses_as_binder : string -> bool}
\SYNOPSIS
Tests if a string has binder status in the parser.
\DESCRIBE
Certain identifiers {c} have binder status, meaning that {`c x. y`} is parsed
as a shorthand for {`(c) (\x. y)'}. The call {parses_as_binder "c"} tests if
{c} is one of the identifiers with binder status.
\FAILURE
Never fails.
\EXAMPLE
{
# parses_as_binder "!";;
val it : bool = true
# parses_as_binder "==>";;
val it : bool = false
}
\SEEALSO
binders, parses_as_binder, unparse_as_binder.
\ENDDOC
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