41 lines
1.2 KiB
Markdown
41 lines
1.2 KiB
Markdown
[runtime.error]
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# 19 Diagnostics library [[diagnostics]](./#diagnostics)
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## 19.2 Exception classes [[std.exceptions]](std.exceptions#runtime.error)
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### 19.2.8 Class runtime_error [runtime.error]
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[ð](#lib:runtime_error)
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namespace std {class runtime_error : public exception {public:constexpr explicit runtime_error(const string& what_arg); constexpr explicit runtime_error(const char* what_arg); };}
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L299)
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The classruntime_error defines the type of objects thrown as exceptions to report errors presumably detectable only
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when the program executes[.](#1.sentence-1)
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[ð](#lib:runtime_error,constructor)
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`constexpr runtime_error(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#L311)
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*Postconditions*: strcmp(what(), what_arg.c_str()) == 0[.](#2.sentence-1)
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[ð](#lib:runtime_error,constructor_)
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`constexpr runtime_error(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#L322)
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*Postconditions*: strcmp(what(), what_arg) == 0[.](#3.sentence-1)
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