40 lines
1.2 KiB
Markdown
40 lines
1.2 KiB
Markdown
[invalid.argument]
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# 19 Diagnostics library [[diagnostics]](./#diagnostics)
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## 19.2 Exception classes [[std.exceptions]](std.exceptions#invalid.argument)
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### 19.2.5 Class invalid_argument [invalid.argument]
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[ð](#lib:invalid_argument)
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namespace std {class invalid_argument : public logic_error {public:constexpr explicit invalid_argument(const string& what_arg); constexpr explicit invalid_argument(const char* what_arg); };}
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L175)
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The classinvalid_argument defines the type of objects thrown as exceptions to report an invalid argument[.](#1.sentence-1)
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[ð](#lib:invalid_argument,constructor)
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`constexpr invalid_argument(const string& what_arg);
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L186)
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*Postconditions*: strcmp(what(), what_arg.c_str()) == 0[.](#2.sentence-1)
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[ð](#lib:invalid_argument,constructor_)
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`constexpr invalid_argument(const char* what_arg);
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L197)
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*Postconditions*: strcmp(what(), what_arg) == 0[.](#3.sentence-1)
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