p.location-badge.
  exported from angular2/forms
  defined in angular2/src/forms/validators.js (line 16)
:markdown
  Provides a set of validators used by form controls.
  
  # Example
  
  ```
  var loginControl = new Control("", Validators.required)
  ```
  
.l-main-section
  h2 Members
  .l-sub-section
    h3 array
    
    pre.prettyprint
      code.
        array(c:modelModule.ControlArray)
    
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  .l-sub-section
    h3 compose
    
    pre.prettyprint
      code.
        compose(validators:List<Function>)
    
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  .l-sub-section
    h3 group
    
    pre.prettyprint
      code.
        group(c:modelModule.ControlGroup)
    
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  .l-sub-section
    h3 nullValidator
    
    pre.prettyprint
      code.
        nullValidator(c:any)
    
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  .l-sub-section
    h3 required
    
    pre.prettyprint
      code.
        required(c:modelModule.Control)
    
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