--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
more_env: [(EnvPair
  left: 
    (Token
      id: Id.Lit_VarLike
      col: 0
      length: 2
      span_id: 0
      line: (SourceLine line_num:1 content:'s=1' src:(source.MainFile path:word_parse_test.py))
      tval: 's='
    )
  name: s
  val: 
    (CompoundWord
      parts: [
        (Token
          id: Id.Lit_Chars
          col: 2
          length: 1
          span_id: 1
          line: (SourceLine line_num:1 content:'s=1' src:(source.MainFile path:word_parse_test.py))
          tval: 1
        )
      ]
    )
)]
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
more_env: [(EnvPair
  left: 
    (Token
      id: Id.Lit_VarLike
      col: 0
      length: 2
      span_id: 0
      line: (SourceLine line_num:1 content:'a=(1 2 3)' src:(source.MainFile path:word_parse_test.py))
      tval: 'a='
    )
  name: a
  val: 
    (CompoundWord
      parts: [
        (ShArrayLiteral
          left: 
            (Token
              id: Id.Op_LParen
              col: 2
              length: 1
              span_id: 1
              line: 
                (SourceLine
                  line_num: 1
                  content: 'a=(1 2 3)'
                  src: (source.MainFile path:word_parse_test.py)
                )
              tval: _
            )
          words: [
            (CompoundWord
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 3
                  length: 1
                  span_id: 2
                  line: 
                    (SourceLine
                      line_num: 1
                      content: 'a=(1 2 3)'
                      src: (source.MainFile path:word_parse_test.py)
                    )
                  tval: 1
                )
              ]
            )
            (CompoundWord
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 5
                  length: 1
                  span_id: 4
                  line: 
                    (SourceLine
                      line_num: 1
                      content: 'a=(1 2 3)'
                      src: (source.MainFile path:word_parse_test.py)
                    )
                  tval: 2
                )
              ]
            )
            (CompoundWord
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 7
                  length: 1
                  span_id: 6
                  line: 
                    (SourceLine
                      line_num: 1
                      content: 'a=(1 2 3)'
                      src: (source.MainFile path:word_parse_test.py)
                    )
                  tval: 3
                )
              ]
            )
          ]
          right: 
            (Token
              id: Id.Right_ShArrayLiteral
              col: 8
              length: 1
              span_id: 7
              line: 
                (SourceLine
                  line_num: 1
                  content: 'a=(1 2 3)'
                  src: (source.MainFile path:word_parse_test.py)
                )
              tval: _
            )
        )
      ]
    )
)]
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
more_env: [(EnvPair
  left: 
    (Token
      id: Id.Lit_VarLike
      col: 0
      length: 2
      span_id: 0
      line: (SourceLine line_num:1 content:'s=' src:(source.MainFile path:word_parse_test.py))
      tval: 's='
    )
  name: s
  val: (rhs_word__Empty)
)]
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
('\n---', 'foobar')
{<foobar>}None None 0

('\n---', 'a[x')
{<Id.Lit_ArrayLhsOpen 'a['> <x>}None None 0

('\n---', 'a[]=$foo$bar')
{<Id.Lit_ArrayLhsOpen 'a['> <Id.Lit_ArrayLhsClose ']='> ($ Id.VSub_DollarName foo) 
  ($ Id.VSub_DollarName bar)
}(Token
  id: Id.Lit_ArrayLhsOpen
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a[]=$foo$bar' src:(source.MainFile path:word_parse_test.py))
  tval: 'a['
) (Token
  id: Id.Lit_ArrayLhsClose
  col: 2
  length: 2
  span_id: 1
  line: (SourceLine line_num:1 content:'a[]=$foo$bar' src:(source.MainFile path:word_parse_test.py))
  tval: ']='
) 2

('\n---', 'a[]+=$foo$bar')
{<Id.Lit_ArrayLhsOpen 'a['> <Id.Lit_ArrayLhsClose ']+='> ($ Id.VSub_DollarName foo) 
  ($ Id.VSub_DollarName bar)
}(Token
  id: Id.Lit_ArrayLhsOpen
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a[]+=$foo$bar' src:(source.MainFile path:word_parse_test.py))
  tval: 'a['
) (Token
  id: Id.Lit_ArrayLhsClose
  col: 2
  length: 3
  span_id: 1
  line: (SourceLine line_num:1 content:'a[]+=$foo$bar' src:(source.MainFile path:word_parse_test.py))
  tval: ']+='
) 2

('\n---', 's=1')
{<Id.Lit_VarLike 's='> <1>}(Token
  id: Id.Lit_VarLike
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'s=1' src:(source.MainFile path:word_parse_test.py))
  tval: 's='
) None 1

('\n---', 's+=1')
{<Id.Lit_VarLike 's+='> <1>}(Token
  id: Id.Lit_VarLike
  col: 0
  length: 3
  span_id: 0
  line: (SourceLine line_num:1 content:'s+=1' src:(source.MainFile path:word_parse_test.py))
  tval: 's+='
) None 1

('\n---', 'a[x]=1')
{<Id.Lit_ArrayLhsOpen 'a['> <x> <Id.Lit_ArrayLhsClose ']='> <1>}(Token
  id: Id.Lit_ArrayLhsOpen
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a[x]=1' src:(source.MainFile path:word_parse_test.py))
  tval: 'a['
) (Token
  id: Id.Lit_ArrayLhsClose
  col: 3
  length: 2
  span_id: 2
  line: (SourceLine line_num:1 content:'a[x]=1' src:(source.MainFile path:word_parse_test.py))
  tval: ']='
) 3

('\n---', 'a[x]+=1')
{<Id.Lit_ArrayLhsOpen 'a['> <x> <Id.Lit_ArrayLhsClose ']+='> <1>}(Token
  id: Id.Lit_ArrayLhsOpen
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a[x]+=1' src:(source.MainFile path:word_parse_test.py))
  tval: 'a['
) (Token
  id: Id.Lit_ArrayLhsClose
  col: 3
  length: 3
  span_id: 2
  line: (SourceLine line_num:1 content:'a[x]+=1' src:(source.MainFile path:word_parse_test.py))
  tval: ']+='
) 3

('\n---', 'a[x++]+=1')
{<Id.Lit_ArrayLhsOpen 'a['> <x> <Id.Lit_Other '+'> <Id.Lit_Other '+'> <Id.Lit_ArrayLhsClose ']+='> <1>}(Token
  id: Id.Lit_ArrayLhsOpen
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a[x++]+=1' src:(source.MainFile path:word_parse_test.py))
  tval: 'a['
) (Token
  id: Id.Lit_ArrayLhsClose
  col: 5
  length: 3
  span_id: 4
  line: (SourceLine line_num:1 content:'a[x++]+=1' src:(source.MainFile path:word_parse_test.py))
  tval: ']+='
) 5

('\n---', 'a=(1 2 3)')
{<Id.Lit_VarLike 'a='> 
  (ShArrayLiteral left:<Id.Op_LParen _> words:[{<1>} {<2>} {<3>}] right:<Id.Right_ShArrayLiteral _>)
}(Token
  id: Id.Lit_VarLike
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a=(1 2 3)' src:(source.MainFile path:word_parse_test.py))
  tval: 'a='
) None 1

('\n---', 'a+=(1 2 3)')
{<Id.Lit_VarLike 'a+='> 
  (ShArrayLiteral left:<Id.Op_LParen _> words:[{<1>} {<2>} {<3>}] right:<Id.Right_ShArrayLiteral _>)
}(Token
  id: Id.Lit_VarLike
  col: 0
  length: 3
  span_id: 0
  line: (SourceLine line_num:1 content:'a+=(1 2 3)' src:(source.MainFile path:word_parse_test.py))
  tval: 'a+='
) None 1

('\n---', 's=')
{<Id.Lit_VarLike 's='>}(Token
  id: Id.Lit_VarLike
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'s=' src:(source.MainFile path:word_parse_test.py))
  tval: 's='
) None 1

('\n---', 'a[x]=')
{<Id.Lit_ArrayLhsOpen 'a['> <x> <Id.Lit_ArrayLhsClose ']='>}(Token
  id: Id.Lit_ArrayLhsOpen
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a[x]=' src:(source.MainFile path:word_parse_test.py))
  tval: 'a['
) (TError: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
more_env: [(EnvPair
  left: 
    (Token
      id: Id.Lit_VarLike
      col: 0
      length: 2
      span_id: 0
      line: (SourceLine line_num:1 content:'s=~foo' src:(source.MainFile path:word_parse_test.py))
      tval: 's='
    )
  name: s
  val: 
    (CompoundWord
      parts: [
        (Token
          id: Id.Lit_TildeLike
          col: 2
          length: 4
          span_id: 1
          line: (SourceLine line_num:1 content:'s=~foo' src:(source.MainFile path:word_parse_test.py))
          tval: '~foo'
        )
      ]
    )
)]
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
--------------------------------------------------------------------------------
Error: 
Error: _MakeAssignPair() takes exactly 3 arguments (2 given)
..
----------------------------------------------------------------------
Ran 2 tests in 0.029s

OK
oken
  id: Id.Lit_ArrayLhsClose
  col: 3
  length: 2
  span_id: 2
  line: (SourceLine line_num:1 content:'a[x]=' src:(source.MainFile path:word_parse_test.py))
  tval: ']='
) 3

('\n---', 's=~foo')
{<Id.Lit_VarLike 's='> <Id.Lit_TildeLike '~foo'>}(Token
  id: Id.Lit_VarLike
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'s=~foo' src:(source.MainFile path:word_parse_test.py))
  tval: 's='
) None 1

('\n---', 'a[x]=~')
{<Id.Lit_ArrayLhsOpen 'a['> <x> <Id.Lit_ArrayLhsClose ']='> <Id.Lit_TildeLike '~'>}(Token
  id: Id.Lit_ArrayLhsOpen
  col: 0
  length: 2
  span_id: 0
  line: (SourceLine line_num:1 content:'a[x]=~' src:(source.MainFile path:word_parse_test.py))
  tval: 'a['
) (Token
  id: Id.Lit_ArrayLhsClose
  col: 3
  length: 2
  span_id: 2
  line: (SourceLine line_num:1 content:'a[x]=~' src:(source.MainFile path:word_parse_test.py))
  tval: ']='
) 3

(command.Simple
  blame_tok: <ls>
  more_env: []
  words: [{<ls>} {(SQ <'my dir'>)} {($ Id.VSub_DollarName x)} {<'foo/'> ($ Id.VSub_DollarName bar)}]
  redirects: []
  do_fork: T
)(command.Simple
  blame_tok: <Id.Lit_LBracket '['>
  more_env: []
  words: [{<Id.Lit_LBracket '['>} {<a>} {<-lt>} {<b>} {<Id.Lit_RBracket ']'>}]
  redirects: []
  do_fork: T
)