static int compare( const char_type* s1, const char_type* s2, std::size_t count ); | (until C++17) | |
static constexpr int compare( const char_type* s1, const char_type* s2, std::size_t count ); | (since C++17) |
Compares the first count
characters of the character strings s1
and s2
. The comparison is done lexicographically.
If count
is zero, strings are considered equal.
s1, s2 | - | pointers to character strings to compare |
count | - | the number of characters to compare from each character string |
Negative value if s1
is less than s2
.
0
if s1
is equal to s2
.
Positive value if s1
is greater than s2
.
Throws nothing.
Linear in count
.
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