Date.subtractYears

Moves a date some number of years into the past. If the current day doesn't exist in the destination year (i.e. it's February 29 and you move to a non-leap-year) then the day is changed to February 29. The date must be valid.

class Date
void
subtractYears
(
uint nYears
)

Parameters

nYears uint

number of years to move

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