---input---
alias boolean=bool;
alias bvec2=vec2<bool>;
alias bvec3=vec3<bool>;
alias bvec4=vec4<bool>;

---tokens---
'alias'       Keyword
' '           Text.Whitespace
'boolean'     Name
'='           Operator
'bool'        Name.Builtin
';'           Punctuation
'\n'          Text.Whitespace

'alias'       Keyword
' '           Text.Whitespace
'bvec2'       Name
'='           Operator
'vec2'        Name.Builtin
'<'           Operator
'bool'        Name.Builtin
'>'           Operator
';'           Punctuation
'\n'          Text.Whitespace

'alias'       Keyword
' '           Text.Whitespace
'bvec3'       Name
'='           Operator
'vec3'        Name.Builtin
'<'           Operator
'bool'        Name.Builtin
'>'           Operator
';'           Punctuation
'\n'          Text.Whitespace

'alias'       Keyword
' '           Text.Whitespace
'bvec4'       Name
'='           Operator
'vec4'        Name.Builtin
'<'           Operator
'bool'        Name.Builtin
'>'           Operator
';'           Punctuation
'\n'          Text.Whitespace