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spec: fix examples for predeclared function complex 

Fixes #17398.

Change-Id: Iac7899031c1bfbadc4f84e5b374eaf1f01dff8c8
Reviewed-on: https://go-review.googlesource.com/31190
Reviewed-by: Rob Pike <r@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Robert Griesemer 2016-10-14 11:27:11 -07:00
parent d13fa4d225
commit 5567b87891
1 changed files with 4 additions and 4 deletions
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8
doc/go_spec.html
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@ -1,6 +1,6 @@
<!--{
"Title": "The Go Programming Language Specification",
"Subtitle": "Version of October 6, 2016",
"Subtitle": "Version of October 14, 2016",
"Path": "/ref/spec"
}-->
@ -5755,12 +5755,12 @@ var a = complex(2, -2) // complex128
const b = complex(1.0, -1.4) // untyped complex constant 1 - 1.4i
x := float32(math.Cos(math.Pi/2)) // float32
var c64 = complex(5, -x) // complex64
const s uint = complex(1, 0) // untyped complex constant 1 + 0i can be converted to uint
_ = complex(1, 2&lt;&lt;s) // illegal: 2 has floating-point type, cannot shift
var s uint = complex(1, 0) // untyped complex constant 1 + 0i can be converted to uint
_ = complex(1, 2&lt;&lt;s) // illegal: 2 assumes floating-point type, cannot shift
var rl = real(c64) // float32
var im = imag(a) // float64
const c = imag(b) // untyped constant -1.4
_ = imag(3 &lt;&lt; s) // illegal: 3 has complex type, cannot shift
_ = imag(3 &lt;&lt; s) // illegal: 3 assumes complex type, cannot shift
</pre>
<h3 id="Handling_panics">Handling panics</h3>