# Tests that the lexer can parse raw f-strings

---input---
rt"m_\nu = x"

t"m_\nu = {x}"

rt"m_{{\nu}} = {x}"

---tokens---
'rt'          Literal.String.Affix
'"'           Literal.String.Double
'm_'          Literal.String.Double
'\\'          Literal.String.Double
'nu = x'      Literal.String.Double
'"'           Literal.String.Double
'\n'          Text.Whitespace

'\n'          Text.Whitespace

't'           Literal.String.Affix
'"'           Literal.String.Double
'm_'          Literal.String.Double
'\\n'         Literal.String.Escape
'u = '        Literal.String.Double
'{'           Literal.String.Interpol
'x'           Name
'}'           Literal.String.Interpol
'"'           Literal.String.Double
'\n'          Text.Whitespace

'\n'          Text.Whitespace

'rt'          Literal.String.Affix
'"'           Literal.String.Double
'm_'          Literal.String.Double
'{{'          Literal.String.Escape
'\\'          Literal.String.Double
'nu'          Literal.String.Double
'}}'          Literal.String.Escape
' = '         Literal.String.Double
'{'           Literal.String.Interpol
'x'           Name
'}'           Literal.String.Interpol
'"'           Literal.String.Double
'\n'          Text.Whitespace
