parameters: (variant)
return_statement: return '{}:{}_{}'.format(variant.reference_name, variant.start,
                             variant.reference_bases)
docstring: Create a locus ID of form "chr:pos_ref" from a Variant object.
  
    Args:
      variant: a nucleus variant.
  
    Returns:
      str.
docstring_summary: Create a locus ID of form "chr:pos_ref" from a Variant object.
docstring_tokens: Create a locus ID of form chr : pos_ref from a Variant object .
function: def locus_id_from_variant(variant):
    """Create a locus ID of form "chr:pos_ref" from a Variant object.
  
    Args:
      variant: a nucleus variant.
  
    Returns:
      str.
    """
    return '{}:{}_{}'.format(variant.reference_name, variant.start,
                             variant.reference_bases)
function_tokens: def locus_id_from_variant ( variant ) : return '{}:{}_{}' . format ( variant . reference_name , variant . start , variant . reference_bases )