at

Undocumented in source. Be warned that the author may not have intended to support it.

auto ref at(R r, size_t i, size_t j)
ref
auto ref
at
(
R
)
(
auto ref R r
,
size_t i
,
size_t j
)
if (
!isNarrowMatrix!R &&
is(typeof(r[i][j]))
)
auto ref at(R r, size_t i, size_t j)
auto ref at(M m, size_t i)

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