On 17/06/2010 22:51, Stephen Hansen wrote:
On 6/17/10 2:32 PM, Mark Lawrence wrote:
Where is the use of _ in a script documented, I've searched all over and
can't find it, guess I don't have the Midas touch with google? :)
Its purely a convention, and one that crosses language-bounds, and isn't
entirely universal even given that.
It just means 'placeholder that I care naught for'; its not a feature,
there's no code or any /ability/ to use it. Its the same as any other
variable name.
It just happens to be a name that conveys no meaning while being short
and visually distinct: except to say you don't care about what value
ends up there, consider it thrown away.
That the interactive interpreter happens to store the last value in a
variable of the same name doesn't really mean anything.
Thanks Stephen, don't think I'll lose any sleep over it then. :)
Cheers.
Mark Lawrence.
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