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Deprecate module_name in favor of nameof(::Module) #25622

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merged 3 commits into from
Jan 23, 2018
Merged

Deprecate module_name in favor of nameof(::Module) #25622

merged 3 commits into from
Jan 23, 2018

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ararslan
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@ararslan ararslan commented Jan 18, 2018 •
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As suggested by @Sacha0 and @martinholters in #25436.

This deprecates module_name(::Module) in favor of Symbol(::Module) nameof(::Module). This is technically breaking, since currently the Symbol constructor on modules falls back to Symbol(string(::Module)), which uses the entire module hierarchy (e.g. LinAlg -> Symbol("Base.LinAlg")), and with this PR it would be the top name only (e.g. LinAlg -> :LinAlg). The current behavior will still be available as Symbol(join(fullname(m), '.')).

If this is accepted, I think we should also fold function_name and datatype_name into Symbol constructors.

(I'm actually not super convinced that I like this, but I figured it's worth exploring.)

@ararslan ararslan added breaking This change will break code modules deprecation This change introduces or involves a deprecation triage This should be discussed on a triage call labels Jan 18, 2018
@martinholters
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I do find the proposed behavior of the Symbol constructor more useful, but at the same time, I find it non-obvious that in order to get the name of a module, I have to call the Symbol constructor on it.

@StefanKarpinski
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We could have a more general name function to get names of things that have them: types, non-anonymous functions, modules.

@ararslan
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I really like name. It jives well with fullname to get the full parent list for a module and with names to get the names defined within a module. I'll do that.

@JeffBezanson JeffBezanson changed the title Deprecate module_name in favor of Symbol(::Module) Deprecate module_name in favor of name(::Module) Jan 18, 2018
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There is a function_name that can be replaced by this as well.

@JeffBezanson JeffBezanson removed the triage This should be discussed on a triage call label Jan 18, 2018
@ararslan ararslan force-pushed the aa/module-symbol branch 2 times, most recently from 9c94ab7 to 6e8135c Compare January 18, 2018 19:42
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Okay, I've introduced the name function and deprecated module_name, Base.function_name, and Base.datatype_name to methods of name as separate commits.

@ararslan ararslan removed the breaking This change will break code label Jan 18, 2018
@ararslan ararslan mentioned this pull request Jan 18, 2018
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ararslan commented Jan 18, 2018 •
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The doc build is failing because of this in DocStringExtensions: https://github.com/JuliaDocs/DocStringExtensions.jl/blob/22fe6a3ea2d8a194dc781ae8263a81c815e49926/src/abbreviations.jl#L137-L139

I'll submit a PR to change the loop variable name there. Edit: JuliaDocs/DocStringExtensions.jl#50

This was referenced Jan 18, 2018
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@JeffBezanson JeffBezanson added this to the 1.0 milestone Jan 18, 2018
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Not sure yet what's going on with the Documenter/DocStringExtensions failure...

@fredrikekre
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Need v0.4.3, which includes your name fix?

julia/doc/REQUIRE

Line 2 in 625923f

DocStringExtensions 0.4.2 0.4.2+

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Weird, I could have sworn I pushed that...

@ararslan ararslan force-pushed the aa/module-symbol branch 3 times, most recently from 6964570 to 285dfa0 Compare January 20, 2018 00:48
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Still getting the failure even with that change.

@ararslan
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I'm not getting any errors while running locally so let's see what happens now...

JeffBezanson
JeffBezanson reviewed Jan 22, 2018
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stdlib/REPL/src/REPLCompletions.jl Outdated
@@ -72,7 +72,7 @@ function complete_symbol(sym, ffunc)
# We will exclude the results that the user does not want, as well
# as excluding Main.Main.Main, etc., because that's most likely not what
# the user wants
p = s->(!Base.isdeprecated(mod, s) && s != module_name(mod) && ffunc(mod, s))
p = s->(!Base.isdeprecated(mod, s) && s != name(mod) && ffunc(mod, s))
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Ah, the downside of very generic function names --- conflicts with a local variable.

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How about we call this nameof?

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I'd be fine with that.

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👍 Yeah, it's a good idea to avoid "stealing" simple words like name when possible.

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nameof it is.

@ararslan ararslan force-pushed the aa/module-symbol branch 2 times, most recently from 00c9369 to a35c2d4 Compare January 22, 2018 19:56
@ararslan ararslan changed the title Deprecate module_name in favor of name(::Module) Deprecate module_name in favor of nameof(::Module) Jan 22, 2018
@JeffBezanson JeffBezanson merged commit dcb0517 into master Jan 23, 2018
@JeffBezanson JeffBezanson deleted the aa/module-symbol branch January 23, 2018 16:14
@cormullion cormullion mentioned this pull request Mar 18, 2018
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@JeffBezanson JeffBezanson JeffBezanson approved these changes

@Sacha0 Sacha0 Sacha0 approved these changes

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@ararslan @martinholters @StefanKarpinski @JeffBezanson @fredrikekre @vtjnash @Sacha0