Enumap.opApply

Execute foreach over (EnumMember, ref value) pairs to modify elements.

int opApply(int delegate(K, const V) dg)
int opApply(int delegate(K, ref V) dg)
struct Enumap(K, V)
int
opApply
(
scope int delegate
(
K
,
ref V
)
dg
)
if (
EnumMembers!K == staticIota!(0, EnumMembers!K.length)
)

Examples

foreach can modify values by ref

Enumap!(Element, int) elements;

foreach(key, ref value ; elements) {
  if      (key == Element.air)   value = 4;
  else if (key == Element.water) value = 2;
}

assert(elements.air   == 4);
assert(elements.water == 2);

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