deduction guides for std::experimental::scope_fail

Header: <experimental/scope>

One deduction guide is provided for std::experimental::scope_fail to permit deduction from an argument of function or function object type.

# Declarations

template< class EF >
scope_fail(EF) -> scope_fail<EF>;

(library fundamentals TS v3)

# Example

This section is incompleteReason: no example