erase: Erase elements

In cppcontainers: 'C++' Standard Template Library Containers

Erase elements

Description

Delete elements from a container by reference.

Usage

erase(x, values = NULL, from = NULL, to = NULL)

Arguments

x	A CppSet, CppUnorderedSet, CppMultiset, CppUnorderedMultiset, CppMap, CppUnorderedMap, CppMultimap, CppUnorderedMultimap, CppVector, CppDeque, or CppList object.
values	A vector of values to delete from x in CppSet, CppUnorderedSet, CppMultiset, and CppUnorderedMultiset objects and keys in CppMap, CppUnorderedMap, CppMultimap, and CppUnorderedMultimap objects. Ignored for other classes.
from	Index of the first element to be deleted in CppVector, CppDeque, and CppList objects. Ignored for other classes.
to	Index of the last element to be deleted in CppVector, CppDeque, and CppList objects. Ignored for other classes.

Value

Invisibly returns NULL.

See Also

clear, empty, erase_after, remove..

Examples

s <- cpp_multiset(c(2, 2.1, 3, 3, 4.3, 6))
s
# 2 2.1 3 3 4.3 6

erase(s, c(2, 3))
s
# 2.1 4.3 6

m <- cpp_unordered_multimap(c(2:3, 3L), c("hello", "there", "world"))
m
# [3,"world"] [3,"there"] [2,"hello"]

erase(m, 2L)
m
# [3,"world"] [3,"there"]

d <- cpp_deque(4:9)
d
# 4 5 6 7 8 9

erase(d, from = 2, to = 3)
d
# 4 7 8 9

cppcontainers documentation built on Sept. 9, 2025, 5:55 p.m.