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"""Some utility functions for working with sublime.
def text_at_line(view, line_num):
"""Return the content at line. None if out of boundary."""
if line_num < 0:
return None
max_line_num, _ = view.rowcol(view.size())
if line_num > max_line_num:
return None
point = view.text_point(line_num, 0)
line_region = view.line(point)
return view.substr(line_region)
def is_region_void(region):
if region == None:
return True
if region.a == -1 and region.b == -1:
return True
return False