Document macros goto and label #23656
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ararslan
approved these changes
Sep 10, 2017
ararslan
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domain:docs
mschauer
commented
Sep 10, 2017
base/essentials.jl
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| `@goto name` unconditionally jumps to the statement at the location [`@label name`](@ref). | ||
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| `@label` and `@goto` cannot create jumps to top-level statements. Attempts cause an |
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" jumps to different top-level statements " if I think about it
base/essentials.jl
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| `@goto name` unconditionally jumps to the statement at the location [`@label name`](@ref). | ||
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| `@label` and `@goto` cannot create jumps to top-level statements. Attempts cause an | ||
| error. To use `@goto` at the top-level, enclose the `@label` and `@goto` in a block. |
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This is kind of a contradiction – "to use @goto at the top level, do not use @goto at the top level." Or maybe it's a koan.
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"To still use @goto in this situation..." works
StefanKarpinski
approved these changes
Sep 11, 2017
This was referenced Sep 12, 2017
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This connects with issues #7706 and #13617 and the stall pull request #15490. This pull request here only adds docstrings which then end up in the syntax section of stdlib/base.md, but does not change the manual.