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//@ proc-macro: three-equals.rs
extern crate three_equals;
use three_equals::three_equals;
fn main() {
// This one is okay.
three_equals!(===);
// Need exactly three equals.
three_equals!(==); //~ ERROR found 2 equal signs, need exactly 3
// Need exactly three equals.
three_equals!(=====); //~ ERROR expected EOF
// Only equals accepted.
three_equals!(abc); //~ ERROR expected `=`
// Only equals accepted.
three_equals!(!!); //~ ERROR expected `=`
// Only three characters expected.
three_equals!(===a); //~ ERROR expected EOF
}
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