Python first Examples

Example #1

File: test_ll_1.py Project: oconnore/funcparserlib

def test_first_maybe():
    eq_(first(maybe(a('x'))), ['x', _EPSYLON])
    eq_(first(maybe(a('x')) + a('y')), ['x', 'y'])
    eq_(first(maybe(a('x')) + maybe(a('y'))), ['x', 'y', _EPSYLON])

    eq_(first(maybe(a('x')) | a('y')), ['x', _EPSYLON, 'y'])
    eq_(first(a('x') | maybe(a('y'))), ['x', 'y', _EPSYLON])
    eq_(first(maybe(a('x')) | maybe(a('y'))), ['x', _EPSYLON, 'y', _EPSYLON])

Example #2

File: test_ll_1.py Project: exedre/funcparserlib-new

def test_first_maybe():
    eq_(first(maybe(a('x'))), ['x', _EPSYLON])
    eq_(first(maybe(a('x')) + a('y')), ['x', 'y'])
    eq_(first(maybe(a('x')) + maybe(a('y'))), ['x', 'y', _EPSYLON])

    eq_(first(maybe(a('x')) | a('y')), ['x', _EPSYLON, 'y'])
    eq_(first(a('x') | maybe(a('y'))), ['x', 'y', _EPSYLON])
    eq_(first(maybe(a('x')) | maybe(a('y'))), ['x', _EPSYLON, 'y', _EPSYLON])

Example #3

File: test_ll_1.py Project: oconnore/funcparserlib

def test_first_non_pure():
    eq_(first(a('x')), ['x'])
    eq_(first(a('x') + a('y')), ['x'])
    eq_(first(a('x') | a('y')), ['x', 'y'])

Example #4

File: test_ll_1.py Project: oconnore/funcparserlib

def test_first_many():
    eq_(first(many(a('x'))), ['x', _EPSYLON])
    eq_(first(many(a('x')) + a('y')), ['x', 'y'])
    eq_(first(a('x') + many(a('y'))), ['x'])

Example #5

File: test_ll_1.py Project: exedre/funcparserlib-new

def test_first_non_pure():
    eq_(first(a('x')), ['x'])
    eq_(first(a('x') + a('y')), ['x'])
    eq_(first(a('x') | a('y')), ['x', 'y'])

Example #6

File: test_ll_1.py Project: exedre/funcparserlib-new

def test_first_many():
    eq_(first(many(a('x'))), ['x', _EPSYLON])
    eq_(first(many(a('x')) + a('y')), ['x', 'y'])
    eq_(first(a('x') + many(a('y'))), ['x'])