[Haskell-cafe] Field names

Daryoush Mehrtash dmehrtash at gmail.com
Mon Sep 8 21:13:27 EDT 2008


In type section of the Gentle Introduction to Haskell
http://www.cs.sfu.ca/CC/SW/Haskell/hugs/tutorial-1.4-html/moretypes.htmlthere
is this example:


> data Point = Pt {pointx, pointy :: Float}



> abs (Pt {pointx = x, pointy = y}) = sqrt (x*x + y+y)


Why is it pointx=x and not x=pointx?

-- 
Daryoush

Weblog: http://perlustration.blogspot.com/
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