7085 - mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

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author	Kartik Agaram <vc@akkartik.com>	2020-10-20 21:18:38 -0700
committer	Kartik Agaram <vc@akkartik.com>	2020-10-20 21:18:38 -0700
commit	9ac51594869bd12a4e3363d3384a9ba0302e0084 (patch)
tree	d05f5f2dd23a3b6851d0dc425acb3cc4073051cd /archive/0.vm.arc/charterm/planet-docs
parent	cbe90c6a2b06747f91de0e508982813ce6604137 (diff)
download	mu-9ac51594869bd12a4e3363d3384a9ba0302e0084.tar.gz

7085

Diffstat (limited to 'archive/0.vm.arc/charterm/planet-docs')

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r: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

def random generator:&:stream:num -> result:num, fail?:bool, generator:&:stream:num [
  local-scope
  load-inputs
  {
    break-if generator
    # generator is 0? use real random-number generator
    result <- real-random
    return result, false
  }
  result, fail?, generator <- read generator
]

# helper for tests
def assume-random-numbers -> result:&:stream:num [
  local-scope
  load-inputs
  # compute result-len, space to allocate in result
  result-len:num <- copy 0
  {
    _, arg-received?:bool <- next-input
    break-unless arg-received?
    result-len <- add result-len, 1
    loop
  }
  rewind-inputs
  result-data:&:@:num <- new number:type, result-len
  idx:num <- copy 0
  {
    curr:num, arg-received?:bool <- next-input
    break-unless arg-received?
    *result-data <- put-index *result-data, idx, curr
    idx <- add idx, 1
    loop
  }
  result <- new-stream result-data
]

scenario random-numbers-in-scenario [
  local-scope
  source:&:stream:num <- assume-random-numbers 34, 35, 37
  1:num/raw, 2:bool/raw <- random source
  3:num/raw, 4:bool/raw <- random source
  5:num/raw, 6:bool/raw <- random source
  7:num/raw, 8:bool/raw <- random source
  memory-should-contain [
    1 <- 34
    2 <- 0  # everything went well
    3 <- 35
    4 <- 0  # everything went well
    5 <- 37
    6 <- 0  # everything went well
    7 <- 0  # empty result
    8 <- 1  # end of stream
  ]
]

# generate a random integer in the semi-open interval [start, end)
def random-in-range generator:&:stream:num, start:num, end:num -> result:num, fail?:bool, generator:&:stream:num [
  local-scope
  load-inputs
  result, fail?, generator <- random generator
  return-if fail?
  delta:num <- subtract end, start
  _, result <- divide-with-remainder result, delta
  result <- add result, start
]

scenario random-in-range [
  local-scope
  source:&:stream:num <- assume-random-numbers 91
  1:num/raw <- random-in-range source, 40, 50
  memory-should-contain [
    1 <- 41
  ]
]


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