E is an open source programming language created in 1997 by Mark S. Miller.
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E is an object-oriented programming language for secure distributed computing, created by Mark S. Miller, Dan Bornstein, and others at Electric Communities in 1997. E is mainly descended from the concurrent language Joule and from Original-E, a set of extensions to Java for secure distributed programming. Read more on Wikipedia...
def factorial(n :int) :int {
if (n == 1) {
return 1
} else if (n > 0) {
return n * factorial(n-1)
} else {
throw("invalid argument to factorial: "+n)
}
}# E snippet from
# http://wiki.erights.org/wiki/Walnut/Distributed_Computing/Promises
when (tempVow) -> {
#...use tempVow
} catch prob {
#.... report problem
} finally {
#....log event
}
println("Hello World")
def makeMint(name) :any {
def [sealer, unsealer] := makeBrandPair(name)
def mint {
to makePurse(var balance :(int >= 0)) :any {
def decr(amount :(0..balance)) :void {
balance -= amount
}
def purse {
to getBalance() :int { return balance }
to sprout() :any { return mint.makePurse(0) }
to getDecr() :any { return sealer.seal(decr) }
to deposit(amount :int, src) :void {
unsealer.unseal(src.getDecr())(amount)
balance += amount
}
}
return purse
}
}
return mint
}| Feature | Supported | Example | Token |
|---|---|---|---|
| Strings | ✓ | "Hello world" | " |
| Print() Debugging | ✓ | println | |
| Line Comments | ✓ | # A comment | # |
| Comments | ✓ | ||
| Semantic Indentation | X |