401
98%

Ran 05 Apr 2014 01:05PM UTC

Jobs 1

Files 14

Run time 8s

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Build # 401

Build Type

push

travis-ci

Committed by

Wilfred

Commit Message

Changing `if` to require the condition to be a boolean instead of a
'truthy' value.

This has several advantages. Firstly, it makes a type checker more useful
since previously the condition to `if` could be any type.

Secondly, it's more explicit. Compare:

    (if user-health (next-level) (game-over))

With:

    (if (zero? user-health) (game-over) (next-level))

Finally, it also helps catch errors earlier. Suppose a user writes:

    (if some-function (foo) (bar))

When they meant to write this:

    (if (some-function) (foo) (bar))

Previously this would be a subtle bug where `(foo)` is always
executed. Now, this is produces a helpful error.

Coverage Stats

2202 of 2346 relevant lines covered (93.86%)

0.94 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	401.1	05 Apr 2014 01:05PM UTC	0	93.86	Travis Job 401.1

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Wilfred / trifle / 401
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