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Go: A question about "methods on types"

atul khot
Ranch Hand

Joined: Jul 24, 2008
Posts: 63
Dear Mark,

Here goes ;-) a code snippet from gotour,



What is happening on line 18?

The syntax
-math.Sqrt2
is this the same as
-math.Sqrt(2)

The lack of parenthesis stumped me...
I understand the rest...

--- thanks atul


--cheerio atul
atul khot
Ranch Hand

Joined: Jul 24, 2008
Posts: 63
I guess math.Sqrt2 is some constant in the math package...

--- cheerio atul
Mark Summerfield
author
Ranch Hand

Joined: Jun 20, 2012
Posts: 37

Hi Atul,

Yes you're right math.Sqrt2 is a predefined constant.


Mark Summerfield
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