Method: Date.find_beginning_of_week!
- Defined in:
- activesupport/lib/active_support/core_ext/date/calculations.rb
.find_beginning_of_week!(week_start) ⇒ Object
Returns week start day symbol (e.g. :monday
), or raises an ArgumentError
for invalid day symbol.
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# File 'activesupport/lib/active_support/core_ext/date/calculations.rb', line 32 def find_beginning_of_week!(week_start) raise ArgumentError, "Invalid beginning of week: #{week_start}" unless ::Date::DAYS_INTO_WEEK.key?(week_start) week_start end |