example-code.raku

#!/usr/bin/raku

use experimental :rakuast;

class   A {}

# Signature 1 material
my $signature1 = :(Str, 'John');

my $ast = Q:qq| {$signature1.raku} |.AST;
print "AST: ";
say $ast.statements[0].expression.signature.raku;

my @astparams = |$ast.statements[0].expression.signature.parameters;
say "astparams";
say |@astparams;

# Signature 2 material
my $sig2 = RakuAST::Signature.new(
        parameters => (
                RakuAST::Parameter.new(
                        type => RakuAST::Type::Simple.new(
                                RakuAST::Name.from-identifier("A"),
                        )
                ),
#               ($ast.statements[0].expression.signature.parameters),
                |@astparams
                ),
);

say "sig2.raku: ";
say $sig2.raku;

# Signature 2 material
my $sig3 = RakuAST::Signature.new(
        parameters => (
                RakuAST::Parameter.new(
                        type => RakuAST::Type::Simple.new(
                                RakuAST::Name.from-identifier("A"),
                        )
                ),
#               ($ast.statements[0].expression.signature.parameters),
                @astparams
                ),
);

say "sig3.raku: ";
say $sig3.raku;

output.txt

AST: RakuAST::Signature.new(
  parameters => (
    RakuAST::Parameter.new(
      type => RakuAST::Type::Simple.new(
        RakuAST::Name.from-identifier("Str")
      )
    ),
    RakuAST::Parameter.new(
      type  => RakuAST::Type::Simple.new(
        RakuAST::Name.from-identifier("Str")
      ),
      value => "John"
    ),
  )
)
astparams
RakuAST::Parameter.new(
  type => RakuAST::Type::Simple.new(
    RakuAST::Name.from-identifier("Str")
  )
)RakuAST::Parameter.new(
  type  => RakuAST::Type::Simple.new(
    RakuAST::Name.from-identifier("Str")
  ),
  value => "John"
)
sig2.raku: 
RakuAST::Signature.new(
  parameters => (
    RakuAST::Parameter.new(
      type => RakuAST::Type::Simple.new(
        RakuAST::Name.from-identifier("A")
      )
    ),
  )
)
sig3.raku: 
RakuAST::Signature.new(
  parameters => (
    RakuAST::Parameter.new(
      type => RakuAST::Type::Simple.new(
        RakuAST::Name.from-identifier("A")
      )
    ),
    [RakuAST::Parameter.new(
      type => RakuAST::Type::Simple.new(
        RakuAST::Name.from-identifier("Str")
      )
    ), RakuAST::Parameter.new(
      type  => RakuAST::Type::Simple.new(
        RakuAST::Name.from-identifier("Str")
      ),
      value => "John"
    )],
  )
)