commit 116e2a93f1ab068ee46f4b7cce6b3306334cdec6 (tree) parent 3e3d46488419445c1b3a4b1da384f084c71cddb0 Author: Andrew Kelley <andrew@ziglang.org> Date: Wed, 4 Mar 2020 18:05:14 -0500 update docs for `@TypeOf` Diffstat:
| M | doc/langref.html.in | | | 10 | ++++++---- |
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/doc/langref.html.in b/doc/langref.html.in @@ -8371,12 +8371,14 @@ test "integer truncation" { {#header_close#} {#header_open|@TypeOf#} - <pre>{#syntax#}@TypeOf(expression) type{#endsyntax#}</pre> + <pre>{#syntax#}@TypeOf(...) type{#endsyntax#}</pre> <p> - This function returns a compile-time constant, which is the type of the - expression passed as an argument. The expression is evaluated. + {#syntax#}@TypeOf{#endsyntax#} is a special builtin function that takes any (nonzero) number of expressions + as parameters and returns the type of the result, using {#link|Peer Type Resolution#}. + </p> + <p> + The expressions are evaluated, however they are guaranteed to have no <em>runtime</em> side-effects: </p> - <p>{#syntax#}@TypeOf{#endsyntax#} guarantees no run-time side-effects within the expression:</p> {#code_begin|test#} const std = @import("std"); const assert = std.debug.assert;