File: is_binder.doc

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\DOC is_binder

\TYPE {is_binder : (string -> bool)}

\SYNOPSIS
Determines whether a given string represents a binder.

\DESCRIBE
This predicate returns true if the given string argument is the name of
 a binder: it returns false otherwise.

\EXAMPLE
{
#binders `bool`;;
["$?!"; "$!"; "$@"] : term list

#is_binder `$?!`;;
false : bool

#is_binder `?!`;;
true : bool
}
\SEEALSO
binders, is_binder_type, is_infix, is_constant

\ENDDOC