End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

RubyVM::AbstractSyntaxTree::Node#first_lineno

node.first_lineno → integer

# File tmp/rubies/ruby-3.1.3/ast.rb, line 96
def first_lineno
  Primitive.ast_node_first_lineno
end

The line number in the source code where this AST’s text began.

See also #first_column #inspect #children #last_column also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0