skipWs

Skip whitespace at front then apply the parser.

skipWs
(
P
)
()
if (
isParser!P &&
is(ElementType!(ParserStream!P) : dchar)
)

Examples

1 import pry.atoms, pry.stream;
2 alias S = SimpleStream!string;
3 with(parsers!S) {
4 	auto normal = range!('0', '9').rep;
5 	auto skipping = range!('0', '9').skipWs.rep;
6 	auto s1 = "0 9 1".stream;
7 	string r;
8 	S.Error err;
9 	assert(skipping.parse(s1, r, err));
10 	assert(s1.empty);
11 	assert(r == "0 9 1");
12 
13 	auto s2 = "0 9 1".stream;
14 	assert(normal.parse(s2, r, err));
15 	assert(!s2.empty);
16 	assert(r == "0");
17 	assert(s2.front == ' ');
18 }

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