constraint

widgetui

Macro constraint 

Source 
macro_rules! constraint {
    (%$val:expr) => { ... };
    (#$val:expr) => { ... };
    (>$val:expr) => { ... };
    (<$val:expr) => { ... };
    ($val:expr ; $val2:expr) => { ... };
}
Expand description

Constraints:

  • %Num: Percentage
  • #Num: Length

  • Num: Min

  • <Num: Max
  • Num ; Num: Ratio