front: Access first element
In cppcontainers: 'C++' Standard Template Library Containers
front R Documentation
Access first element
Description
Access first element in a container without removing it.
Usage
front(x)
Arguments
x
A CppQueue, CppVector, CppDeque, CppForwardList, or CppList object.
Value
Returns the front element.
See Also
back, emplace_front, pop, pop_front, push_front.
Examples
q <- cpp_queue(4:6)
q
# First element: 4
front(q)
# [1] 4
q
# First element: 4
v <- cpp_vector(c(TRUE, FALSE, FALSE))
v
# TRUE FALSE FALSE
front(v)
# [1] TRUE
cppcontainers documentation built on Sept. 9, 2025, 5:55 p.m.
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| front | R Documentation |
Access first element
Description
Access first element in a container without removing it.
Usage
front(x)
Arguments
x |
A CppQueue, CppVector, CppDeque, CppForwardList, or CppList object. |
Value
Returns the front element.
See Also
back, emplace_front, pop, pop_front, push_front.
Examples
q <- cpp_queue(4:6)
q
# First element: 4
front(q)
# [1] 4
q
# First element: 4
v <- cpp_vector(c(TRUE, FALSE, FALSE))
v
# TRUE FALSE FALSE
front(v)
# [1] TRUE
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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