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Macro BOOST_PROTO_ASSERT_MATCHES_NOT

BOOST_PROTO_ASSERT_MATCHES_NOT — Assert at compile time that a particular expression does not match the specified grammar.

Synopsis

// In header: <boost/proto/debug.hpp>

BOOST_PROTO_ASSERT_MATCHES_NOT(expr, Grammar)

Description

Use BOOST_PROTO_ASSERT_MATCHES_NOT() to assert at compile-time that an expression does not match a grammar.

Example:

typedef proto::plus< proto::terminal< int >, proto::terminal< int > > PlusInts;

BOOST_PROTO_ASSERT_MATCHES_NOT( proto::lit("a string") + 42, PlusInts );

See also:


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