[1 of 2] Compiling Main             ( <TEMPORARY-DIRECTORY>/T159.hs, <TEMPORARY-DIRECTORY>/.hdb-cache/<CACHE-ENTRY>/Main.gbc )[main]
(hdb) BreakFound {changed = True, breakId = [InternalBreakpointId Main 16], sourceSpan = SourceSpan {file = "<TEMPORARY-DIRECTORY>/T159.hs", startLine = 12, endLine = 12, startCol = 3, endCol = 47}}
(hdb) Stopped at breakpoint
(hdb) [DbgStackFrame {name = "Main.foo", sourceSpan = SourceSpan {file = "<TEMPORARY-DIRECTORY>/T159.hs", startLine = 12, endLine = 12, startCol = 3, endCol = 47}, breakId = Just InternalBreakpointId Main 16, args = Just (DbgStackFrameBCOArgs {bcoArgs = <noshow>, bcoArgsOffset = Just 2})},DbgStackFrame {name = "Lovely annotation", sourceSpan = SourceSpan {file = "<TEMPORARY-DIRECTORY>/T159.hs", startLine = 7, endLine = 7, startCol = 7, endCol = 28}, breakId = Nothing, args = Nothing},DbgStackFrame {name = "[1,2,3,4]", sourceSpan = SourceSpan {file = "<TEMPORARY-DIRECTORY>/T159.hs", startLine = 6, endLine = 6, startCol = 5, endCol = 24}, breakId = Nothing, args = Nothing},DbgStackFrame {name = "annotateCallStackIO", sourceSpan = SourceSpan {file = "<TEMPORARY-DIRECTORY>/T159.hs", startLine = 5, endLine = 5, startCol = 3, endCol = 22}, breakId = Nothing, args = Nothing}]
(hdb) Exiting...