abstract class D4::Reducers::Basic

• D4::Reducers::Basic
• Reference
• Object

Direct Known Subclasses

• D4::Reducers::Mean
• D4::Reducers::MinMax
• D4::Reducers::Sum
• D4::Reducers::Summary

Defined in:

d4/reducers.cr

Instance Method Summary

• #constant_primary_sum? : Bool
• #consume(state : State, start : Int64, stop : Int64, value : Int32) : State
• #consume_values(state : State, values : Slice(Int32), count : Int32) : State

  Built-in reducers only depend on the values, not interval boundaries.

• #merge(left : State, right : State) : State
• #seed : State

Instance Method Detail