doc: update README to document *bool behavior#51
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fchikwekwe wants to merge 1 commit intocreasty:masterfrom
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doc: update README to document *bool behavior#51fchikwekwe wants to merge 1 commit intocreasty:masterfrom
fchikwekwe wants to merge 1 commit intocreasty:masterfrom
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #51 +/- ##
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Coverage 95.97% 95.97%
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Files 2 2
Lines 149 149
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Hits 143 143
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creasty
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Aug 13, 2024
| - Scalar types | ||
| - `int/8/16/32/64`, `uint/8/16/32/64`, `float32/64` | ||
| - `uintptr`, `bool`, `string` | ||
| - `bool` values declared as a `*bool` allow for an unset boolean type. This helps distinguish the case where a default true bool is set to `false`. |
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This is not exclusive to bool values.
Any scalar type can't distinguish an unspecified value from its zero value.
For int, an unspecified value means 0; For string, an empty string ("").
If we want to indicate this behavior in README, we might as well do with technicalities.
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boolvalues that are unset (zero value isfalse) or have been set tofalseare indistinguishable from one another. As a result,boolvalues with defaulttruethat are set tofalseget overriden by the defaults library.If the user declares a
*boolin their struct, then there are three possible setting for boolean:true,falseand unset.Closes #49
Related to #50