change Proc#to_s format ('@...' -> ' ...') (#2362)

Now Proc#to_s returns
"#<Proc:0x00000237a0f5f170@t.rb:1>".
However, it is convenient to select a file name by (double-)clicking
on some terminals by separating ' ' instead of '@' like
"#<Proc:0x00000237a0f5f170 t.rb:1>"
[Feature #16101]

1 files changed, 4 insertions, 4 deletions

diff --git a/spec/ruby/core/proc/shared/to_s.rb b/spec/ruby/core/proc/shared/to_s.rb
index a4d1d5d630..050feb7b1c 100644
--- a/spec/ruby/core/proc/shared/to_s.rb
+++ b/spec/ruby/core/proc/shared/to_s.rb
@@ -1,7 +1,7 @@
 describe :proc_to_s, shared: true do
   describe "for a proc created with Proc.new" do
     it "returns a description optionally including file and line number" do
-      Proc.new { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:4)?>$/
+      Proc.new { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)( ([^ ]*)\/to_s\.rb:4)?>$/
     end
 
     it "has a binary encoding" do
@@ -11,7 +11,7 @@ describe :proc_to_s, shared: true do
 
   describe "for a proc created with lambda" do
     it "returns a description including '(lambda)' and optionally including file and line number" do
-      -> { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:10)? \(lambda\)>$/
+      -> { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)( ([^ ]*)\/to_s\.rb:14)? \(lambda\)>$/
     end
 
     it "has a binary encoding" do
@@ -21,7 +21,7 @@ describe :proc_to_s, shared: true do
 
   describe "for a proc created with proc" do
     it "returns a description optionally including file and line number" do
-      proc { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:16)?>$/
+      proc { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)( ([^ ]*)\/to_s\.rb:24)?>$/
     end
 
     it "has a binary encoding" do
@@ -32,7 +32,7 @@ describe :proc_to_s, shared: true do
   describe "for a proc created with UnboundMethod#to_proc" do
     it "returns a description including '(lambda)' and optionally including file and line number" do
       def hello; end
-      method("hello").to_proc.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:22)? \(lambda\)>$/
+      method("hello").to_proc.send(@method).should =~ /^#<Proc:([^ ]*?)( ([^ ]*)\/to_s\.rb:22)? \(lambda\)>$/
     end
 
     it "has a binary encoding" do