Make empty mutable struct distinct #25854
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JeffBezanson
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Feb 1, 2018
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Wow, that's a remarkably small patch. |
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also a small doc clarification [ci skip]
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also a small doc clarification [ci skip]
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Jan 17, 2020
Remove the paragraphs saying "Immutable composite types with no fields are singletons". Previously, `MutableNoFields() === MutableNoFields()`, but this was changed in JuliaLang#25854. When that got changed, the existing docs was tweaked to say that the struct had to be immutable(JuliaLang#25862) . However, there is no longer anything specific about it having no fields. The docs about singletons can thus just be removed since they are not special anymore.
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Fixes #17149