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chore: update README; about literals

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ToruNiina 2019-04-19 13:18:35 +09:00
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README.md
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@ -603,9 +603,11 @@ toml::value operator""_toml(const char* str, std::size_t len);
Access to the operator can be gained with `using namespace toml::literals;`,
`using namespace toml::toml_literals`, and `using namespace toml::literals::toml_literals`.
Note that since it allows a bare value without a key, it is difficult to distinguish
arrays and table definitions.
Currently, it parses `[1]` as a table definition if there are no commas.
Note that a key that is composed only of digits is allowed in TOML.
And, unlike the file parser, toml-literal allows a bare value without a key.
Thus it is difficult to distinguish arrays having integers and definitions of
tables that are named as digits.
Currently, literal `[1]` becomes a table named "1".
To ensure a literal to be considered as an array with one element, you need to
add a comma after the first element (like `[1,]`).
@ -615,7 +617,7 @@ add a comma after the first element (like `[1,]`).
"[[1,2,3]]"_toml; // This is an array of arrays
"[[table]]"_toml; // This is a table that has an array of tables inside.
"[[1]]"_toml; // This is ambiguous.
"[[1]]"_toml; // This literal is ambiguous.
// Currently, it becomes a table taht has array of table "1".
"1 = [{}]"_toml; // This is a table that has an array of table named 1.
"[[1,]]"_toml; // This is an array of arrays.