change the ->run method of passes to ->invoke

src/Niecza/Compiler.pm

@@ -7,7 +7,7 @@ sub compile {
     my ($self,$input,$filename,$output) = @_;
     my $ast = $self->frontend->parse($input,$filename);
     for my $pass (@{$self->passes}) {
-        $ast = $pass->run($ast);
+        $ast = $pass->invoke($ast);
     }
     $self->backend->compile($ast,$output);
 }

src/Niecza/Pass/Begin.pm

@@ -1,6 +1,6 @@
 package Niecza::Pass::Begin;
 use Moose;
-sub run {
+sub invoke {
     my ($self,$ast) = @_;
     $ast->begin;
 }

src/Niecza/Pass/Beta.pm

@@ -1,7 +1,7 @@
 package Niecza::Pass::Beta;
 use Optimizer::Beta;
 use Moose;
-sub run {
+sub invoke {
     my ($self,$ast) = @_;
     Optimizer::Beta::run($ast);
     $ast;

src/Niecza/Pass/Simplifier.pm

@@ -1,7 +1,7 @@
 package Niecza::Pass::Simplifier;
 use Optimizer::Simplifier;
 use Moose;
-sub run {
+sub invoke {
     my ($self,$ast) = @_;
     Optimizer::Simplifier::run($ast);
     $ast;