30 Localization library [localization]

30.4 Standard locale categories [locale.categories]

30.4.3 The numeric category [category.numeric]

30.4.3.3 Class template num_put [locale.nm.put]

30.4.3.3.3 Virtual functions [facet.num.put.virtuals]

Table 112: Length modifier [tab:facet.num.put.length]
Type
Length modifier
long
l
long long
ll
unsigned long
l
unsigned long long
ll
long double
L
otherwise
none