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Implementing calc function using vendor prefixes in LESS

Let's make a function that implements the cross-browser CSS function calc:

.calc(@name, @calc) {
	@{name}: -webkit-calc(@calc);
	@{name}: -moz-calc(@calc);
	@{name}: calc(@calc);
}

Let's use our function:

div {
	.calc(width, ~'10px + 30%');
}

Compilation result:

div {
	width: -webkit-calc(10px + 30%);
	width: -moz-calc(10px + 30%);
	width: calc(10px + 30%);
}