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I came across this synonymy because duplicate questions in had some using , and others using .

Block is currently more popular than blocks, but the latter would suggest slightly better that it's referring to a noun (ie a code block), rather than the verb (IO blocking CPU processing).

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closed as off-topic by animuson, Shadow Wizard, 3ventic, Martijn Pieters, random Jun 4 '14 at 18:49

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Ugh, what ugly unicode. => is much more elegant, if only in a primitive sort of way. – Won't Sep 21 '11 at 2:24
@Won'tಠ_ಠ: Reduced to two horizontal lines, but still unicode. – Andrew Grimm Sep 21 '11 at 3:11
Neither of those are good tags. They need to be disambiguated. – Ryan O'Hara Jun 19 '12 at 1:07
@minitech Propose a disambiguation. – Andrew Grimm Jun 19 '12 at 1:35
I'm thinking :) What are all the possibilities? Ruby-specific blocks, code blocks, blocking operations...? – Ryan O'Hara Jun 19 '12 at 1:38
Xcode blocks? <Blocks.h> – Cole Johnson Jul 15 '13 at 19:32