# AnyLang Programming Language Comparison/Appendix:PLEAC Crossref:Hashes
## Hashes
### Introduction

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Adding an Element to a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Testing for the Presence of a Key in a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Deleting from a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Traversing a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Printing a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Retrieving from a Hash in Insertion Order

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Hashes with Multiple Values Per Key

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Inverting a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Sorting a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Merging Hashes

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Finding Common or Different Keys in Two Hashes

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Hashing References

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Presizing a Hash

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Finding the Most Common Anything

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Representing Relationships Between Data

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |

### Program: dutree

| ada | c++ | commonlisp | cposix | erlang | factor | forth |
| groovy | guile | haskell | haskell-on-steroids | java | masd | merd |
| nasm | ocaml | perl | php | pike | pliant | python |
| R | rexx | ruby | smalltalk | tcl | | |