On Wednesday, 14 December 2016 at 17:24:42 UTC, Andrej Mitrovic wrote:
On Wednesday, 14 December 2016 at 17:09:44 UTC, ketmar wrote:
bool equal(R1, R2) : std.range, std.traits
if (isInputRange!R1 && isInputRange!R2 && isArray!R2)
{ ... }

breaks possible selective import. if both modules exports some symbol, we will need to selectively import and/or rename it.

Not necessarily. The first colon is the only special case, afterwards you can use all forms of imports:

bool equal(R1, R2) : std.range : isInputRange, Trait = std.traits
if (isInputRange!R1 && isInputRange!R2 && Trait.isArray!R2)
{ ... }

i know that C school likes to add punctuation everywhere ;-), but i can't see why that is better than:

bool equal(R1, R2) import(std.range : isInputRange, Trait = std.traits) if ...

i think that the version with explicit keyword is easier to read.

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